| (19) |
 |
|
(11) |
EP 0 067 658 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
07.12.1983 Bulletin 1983/49 |
| (43) |
Date of publication A2: |
|
22.12.1982 Bulletin 1982/51 |
| (22) |
Date of filing: 09.06.1982 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE FR GB IT LI LU NL SE |
| (30) |
Priority: |
15.06.1981 US 273957
|
| (71) |
Applicant: ALCON LABORATORIES INC |
|
() |
|
| (72) |
Inventor: |
|
- Damani, Nalikant Chunilal
()
|
|
| |
|
| (54) |
Carboxyvinyl polymer urea gel compositions |
(57) This invention relates to gel compositions comprising a carboxyvinyl polymer and
urea.